Across
- 3. Fibres that spread a signal throughout the rest of the ventricle
- 6. Specialized area of tissue that generates electrical impulses to initiate each heartbeat
- 8. Gather the blood from the capillary to the vein
- 9. Pumps deoxygenated blood to the lungs
- 10. Carries blood away from the heart
- 12. Produce antibodies
- 13. The yellowish liquid part of the blood
- 16. Specialized cluster of cardiac cells system that connects the atria and ventricles
- 17. Carries blood to or from the body cells
- 18. The most common type of blood cell
- 19. Carries blood back into the heart
Down
- 1. Ventricles relax to refill the heart with blood
- 2. Collects oxygenated blood
- 4. Collects deoxygenated blood
- 5. Engulf pathogens
- 7. First phase where inlet valves are open while the outlet valves are closed
- 8. Muscle tissue that contracts to pump blood out of the heart
- 11. The sequence of events that occurs during one heartbeat
- 14. Pumps oxygenated blood to the entire body cells
- 15. Ventricles contract to push blood out to the body and lungs